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About this blog

This blog discusses and explains decisions made in the process of creating the BRP/Questworlds/Pendragon mashup game system, or glorified house rules that I call Rivers of Sartar.

All images are from wikimedia, diagrams are by the author.

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Entries in this blog

Game Mechanics: Strike Ranks

In Rivers of Sartar, the secondstep of tactical gameplay is calculating Strike Ranks. This takes a combat and splits it into a sequence of opposed rolls. Continuing on from the previous entry , we have split off an engagement within the overall combat where one PC is fighting two broo. To keep things simple, an engagement always involve either a single PC and one or more opponents, or a single opponent and several PCs. So a 2 on 2 fight should be split into two 1 on 1 fights. In this

radmonger

radmonger in Rivers of Sartar

Game Mechanics: Engagement

In Rivers of Sartar, the first step of tactical gameplay is Engagement. This takes a big complex combat and splits it into a series of individual fights that, for this combat round, can be processed independantly.     So in the above example, 3 broos face off against 2 warrior PCs and their non-combatant ally. After the engagement procedure, it turns out that the first PC will fight two of the broo, and the second the thrid. The NPC ally is free to heal, buff or just cower.

radmonger

radmonger in Rivers of Sartar

Background: Dice Probability Tables

Questworlds is Chaosium's rules and prep-lite RPG system. Fundamental to it is the opposed roll, in which a skill is rolled against a resistance, using  'highest rolled value  as a tiebreak i both rolls succeed. The produces a table of probabilities that looks like this:   This table skill on the left, and resistance on top. Both are unrolled so 22 is 42.  This table has 2 key desirable properties: thanks to the tiebreak rule, it almost always (at least 95% of the time) p

radmonger

radmonger in Rivers of Sartar

Introducing Rivers of Sartar

There are many BRP-derived, Runequest-inspired fantasy role-playing game systems; ones I am aware of include Mythras, OpenQuest, SpeedRune, SimpleQuest, Revolution D100, Jackals, BronzeQuest and Legend. This is mine[1]. For people who are not me, it's main selling point is that it is a unofficial adaptation of some of the principles behind the QuestWorld game engine to Chaosium's world of Glorantha. In particular, it changes certain aspects of the QuestWorlds core mechanics to support

radmonger

radmonger in Rivers of Sartar

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